Jump to content
Brian Enos's Forums... Maku mozo!

147gr RNFP seated with RN stem


4n2t0

Recommended Posts

I'm a reader, not a poster, but something's got me baffled. I recently loaded a bunch of CamPro 147gr RNFP and the RN seating stem in the Dillon die gave me a more consistent OAL. I was sure that the SWC stem would provide a more consistent OAL since it presses flat against the nose of the projectile but that theory didn't play out. Any thoughts as to why?

 

Brass: Winchester

OAL: 1.125

 

 

campro 147.jpg

Edited by 4n2t0
Link to comment
Share on other sites

4 hours ago, texasref said:

The RN seating stem matches the ogive of the bullet and gives you evenly distributed pressure when seating. A little variation is to be expected and is normally not an issue.

 

Yeah, I'm just surprised that the SWC stem couldn't match the consistency of the RN stem. Do FP meplat's generally have a slope that's unseen to the eye?

Edited by 4n2t0
Link to comment
Share on other sites

I've found that at least with my square deal the SWC stem has only worked well with HP's.  Most of the FP profiles I've used look basically like a RN with the tip cut off and fit that die much better. 

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
×
×
  • Create New...